The Realistic Voice Actuated Five Channel FM Transceiver 21-400 is a 2-way radio with 5 channels and a memory of 400 channels. It features voice activation and operates on FM frequencies. This unit is compact, weighing 11 oz, and comes in a sleek black color. Perfect for communication on-the-go, this transceiver is ideal for various applications such as personal use, outdoor activities, or emergencies. With its reliable Realistic brand and user-friendly design, this 2-way radio is a practical and dependable tool for staying connected in any situation.